[Vulkan] Add Vulkan-Headers and VMA submodules

src/xenia/ui/vulkan/premake5.lua

@@ -12,10 +12,8 @@ project("xenia-ui-vulkan")
     "xenia-ui",
     "xenia-ui-spirv",
   })
-  defines({
-  })
   includedirs({
-    project_root.."/third_party/vulkan/",
+    project_root.."/third_party/Vulkan-Headers/include",
   })
   local_platform_files()
   local_platform_files("functions")
@@ -37,10 +35,8 @@ project("xenia-ui-window-vulkan-demo")
     "xenia-ui-spirv",
     "xenia-ui-vulkan",
   })
-  defines({
-  })
   includedirs({
-    project_root.."/third_party/vulkan/",
+    project_root.."/third_party/Vulkan-Headers/include",
   })
   files({
     "../window_demo.cc",

src/xenia/ui/vulkan/vulkan_mem_alloc.h

@@ -23,7 +23,7 @@
 #ifndef VMA_NOT_NULL
 #define VMA_NOT_NULL
 #endif
-#include "third_party/vulkan/vk_mem_alloc.h"
+#include "third_party/VulkanMemoryAllocator/include/vk_mem_alloc.h"
 
 namespace xe {
 namespace ui {

src/xenia/ui/vulkan/vulkan_provider.h

@@ -42,7 +42,7 @@
 #ifndef VK_NO_PROTOTYPES
 #define VK_NO_PROTOTYPES 1
 #endif
-#include "third_party/vulkan/vulkan.h"
+#include "third_party/Vulkan-Headers/include/vulkan/vulkan.h"
 
 #define XELOGVK XELOGI